U.S. MOTORSRigid Base 3-Phase General Purpose AC Motors

U.S. MOTORS Motor: Flange Mount, Totally Enclosed Fan Cooled, 40 hp, 460V AC

SKU 3G-OTH-72238

Also listed as: JF 91 · JF-91

Brand

U.S. MOTORS

Item

Motor: Flange Mount, Totally Enclosed Fan Cooled, 40 hp, 460V AC

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

U.S. MOTORS

Manufacturer Part Number

JF91 

Type

Totally Enclosed Fan Cooled, 40 hp, 1,800 RPM 

460V 

MOTORS Motor

Flange Mount 

Motor Enclosure

TEFC 

Nameplate RPM @ 60 Hz

1,800 RPM 

Full Load Current @ 60 Hz

46.0 A 

Nameplate Voltage @ 60 Hz

460V AC 

Technical Documents

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U.S. MOTORS Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The U.S. MOTORS Rigid Base 3-Phase General Purpose AC Motor (SKU 3G-OTH-72238, MPN JF91) is a 40 hp, TEFC-enclosed motor rated at 460V AC and 1,800 RPM with a full load current of 46.0 A at 60 Hz. This industrial motor is designed for continuous-duty applications requiring a rigid base mounting configuration.

Frequently Asked Questions

What is the U.S. MOTORS JF91 motor used for?

The U.S. MOTORS JF91 is a 40 hp, TEFC-enclosed, rigid base 3-phase AC motor used in continuous-duty industrial applications such as pumps, fans, compressors, and conveyors. Its 460V AC, 1,800 RPM rating suits general purpose machinery requiring reliable, constant-speed operation.

What are the specifications of the U.S. MOTORS JF91 motor?

The U.S. MOTORS JF91 (SKU 412FH8) is a 40 hp, 460V AC, 1,800 RPM, TEFC-enclosed motor with a full load current of 46.0 A at 60 Hz. It features a rigid base mounting and is designed for 3-phase power in continuous-duty industrial environments.

Where to buy the U.S. MOTORS JF91 motor worldwide?

3G Electric supplies the U.S. MOTORS JF91 motor worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this motor to any international destination.

How to select the right U.S. MOTORS motor for an application?

To select the right U.S. MOTORS motor, match the horsepower (40 hp), voltage (460V AC), and RPM (1,800 RPM) to your load requirements. Ensure the TEFC enclosure suits your environment and the rigid base mounting fits your equipment. Consult a U.S. MOTORS datasheet for frame size and shaft dimensions.

Used in

Common applications for U.S. MOTORS

Pumping systems — U.S. MOTORS A40P1CS (40 hp, 460 V, 3,570 RPM) for centrifugal water pumps in industrial facilities.

HVAC fans — U.S. MOTORS A7P4C (7.5 hp, 460 V, 885 RPM) for large air-handling unit fan drives.

Conveyor drives — U.S. MOTORS A25P1CS (25 hp, 460 V, 3,565 RPM) for material-handling belt conveyors.

Compressor applications — U.S. MOTORS A30P3C (30 hp, 460 V, 1,190 RPM) for rotary screw air compressors.

Machine tool spindles — U.S. MOTORS HD3P1H (3 hp, 200 V, 3,535 RPM) for high-speed milling machine spindles.

Elevator traction — U.S. MOTORS elevator motors (specialized line) for hydraulic or traction elevator systems.

U.S. MOTORS Products

3G Electric supplies U.S. MOTORS rigid base 3-phase general purpose ac motors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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